ci: test against latest Java versions

Author: jGleitz

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
 
 jobs:
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java-version: [ 8, 11, 16 ]
+        java-version: [ 8, 11, 17, 21, 23 ]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -30,7 +30,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java-version }}
-          distribution: adopt
+          distribution: temurin
       - name: Prepare
         run: ./gradlew clean dependencies
       - name: Build

.github/workflows/release.yml

@@ -21,11 +21,11 @@ jobs:
           restore-keys: |
             gradle-${{ runner.os }}
             gradle-
-      - name: Set up JDK 11
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: 11
-          distribution: adopt
+          java-version: 21
+          distribution: temurin
       - name: Prepare
         run: ./gradlew clean dependencies
       - name: Assemble Artefacts
@@ -58,11 +58,11 @@ jobs:
           restore-keys: |
             gradle-${{ runner.os }}
             gradle-
-      - name: Set up JDK 11
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: 11
-          distribution: adopt
+          java-version: 21
+          distribution: temurin
       - name: Prepare
         run: ./gradlew clean dependencies
       - name: Generate Documentation

.sdkmanrc

@@ -0,0 +1,3 @@
+# Enable auto-env through the sdkman_auto_env config
+# Add key=value pairs of SDKs to use below
+java=23.0.2-tem

build.gradle.kts

@@ -73,7 +73,7 @@ tasks.withType<DokkaTask> {
 	dokkaSourceSets.named("main") {
 		sourceLink {
 			localDirectory.set(file("src/main/kotlin"))
-			remoteUrl.set(uri("https://github.com/$githubRepository/blob/master/src/main/kotlin").toURL())
+			remoteUrl.set(uri("https://github.com/$githubRepository/blob/main/src/main/kotlin").toURL())
 			remoteLineSuffix.set("#L")
 		}
 	}